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Coin Change
Backend Developer
Coin Change questions
6 questions on Coin Change for backend developers, easiest first.
Medium
5
Fewest coins for an amount
medium
Ways to make an amount from coins
medium
Loop order in coin counting
medium
Coin change when the amount cannot be made
medium
Fewest perfect squares adding to 12
medium
Hard
1
Is O(n × amount) polynomial?
hard